Quiz: What is the significance of the blue domes found on many chu September 25, 2025 by Elena Skye What is the significance of the blue domes found on many churches in Santorini? Discover more about Santorini Travel at our home page. A) They represent the sky and sea, symbolizing the island’s natural beauty. B) They are a modern architectural trend introduced in the 21st century. C) They are painted blue to attract tourists and boost local economy. D) They signify the wealth of the church and its connection to the ocean. Submit Answer